print("我的名字是%s，我的学号是%s"%("董家萁","0306201106"))

'''
f=open("book.txt",'w')
f.write("hello world,i am here")
f.close()
'''
f=open("book.txt",'r')
content=f.readlines()
i=1
for temp in content:
    print("第%d行:%s"%(i,temp))
    i+=1



f.close()


